Đáp án:
$\begin{array}{|c|c|c|}\hline{\left.\begin{matrix} 26265\\\ \!\!\quad765\\\qquad 0\end{matrix}\right|\!\!\begin{matrix}\dfrac{85}{309}\\\\\end{matrix}}&\ \left.\begin{matrix}21245\\\quad245\\\qquad0\\\end{matrix}\right|\!\!\begin{matrix}\dfrac{35}{607}\\\\\end{matrix}\\\hline\left.\begin{matrix} 82560\\576\\\quad \ \ 00\\\qquad 0\\\end{matrix}\right|\!\!\begin{matrix}\dfrac{96}{860}\\\\\\\end{matrix}\\\hline\end{array}$
